A succubus is a demon who feeds on men's life energy. Richille, a fallen succubus who lacks sensuality and magical powers is sent to the human world to learn about seduction. There she meets Yui, a human who hates demons. Richille who wants Yui decides to make him the target of her seduction...!? But in the midst of that, something unprecedented happens...!?

The series Hatsukoi Succubus has been licensed, it is not available in Manga Fox.